Cold storage may not be a great idea. With warm storage, you can run frequent checks like scrubs. Storing data with two cloud providers is a good option. But O

Cold storage may not be a great idea. With warm storage, you can run frequent checks like scrubs. Storing data with two cloud providers is a good option. But Online storage must be encrypted. So the question is, what backup or encryption software do you use to be able to decrypt the data in 10—15 years or so?